| (a) All shafts subject to this subchapter shall be specifically authorized by permit. Shafts serving the same underground working, or built as part of a single comprehensive ore body exploration or evaluation program, may be included in one permit. Additional shafts to be added after the permit is issued may be authorized by permit amendment after a demonstration as in §329.11(b) of this title (relating to Construction Standards for Shafts). (b) A permit shall include terms and conditions reasonably necessary to protect the major and minor aquifers from pollution. The permit shall include requirements regarding the construction, operation, and decommissioning of a new shaft and corrective action, if necessary, to prevent pollution resulting from inadequately constructed, completed, and abandoned boreholes within the area of review. In the event that, after construction of a new shaft has commenced, evidence indicates that a well within the area
of review of a shaft might pose a hazard to a major or minor aquifer, the executive director may prescribe a corrective action plan and compliance schedule to remedy such hazard as a condition for continued construction, use, or operation.
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